Outside Temperature Sensor
WARNING: This page is about a different car, the 1999 Cadillac Eldorado and 1999 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
This sensor is located in front of radiator. A temperature memory is used to provide greater accuracy under engine restart conditions. Signals from this sensor are processed by ACM and displayed on climate control center.